A.Pleasebecautious B.Pleasekeepyourhandinsidethebus C.Pleaseholdfastandsitsecurely D.Pleaseexitfromthebackdoor
A.Seeyou B.Goodmorning C.Welcome D.Youtoo
A.語(yǔ)言 B.文字 C.習(xí)慣 D.衣著